1 /* $NetBSD: if_ne_isapnp.c,v 1.27 2010/03/03 13:39:57 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center and Matt Thomas of the 3am Software Foundry. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: if_ne_isapnp.c,v 1.27 2010/03/03 13:39:57 tsutsui Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/mbuf.h> 39 #include <sys/socket.h> 40 #include <sys/ioctl.h> 41 #include <sys/errno.h> 42 #include <sys/syslog.h> 43 #include <sys/select.h> 44 #include <sys/device.h> 45 46 #include <net/if.h> 47 #include <net/if_dl.h> 48 #include <net/if_ether.h> 49 #include <net/if_media.h> 50 51 #include <sys/intr.h> 52 #include <sys/bus.h> 53 54 #include <dev/ic/dp8390reg.h> 55 #include <dev/ic/dp8390var.h> 56 57 #include <dev/ic/ne2000reg.h> 58 #include <dev/ic/ne2000var.h> 59 60 #include <dev/isa/isavar.h> 61 62 #include <dev/isapnp/isapnpreg.h> 63 #include <dev/isapnp/isapnpvar.h> 64 #include <dev/isapnp/isapnpdevs.h> 65 66 static int ne_isapnp_match(device_t, cfdata_t , void *); 67 static void ne_isapnp_attach(device_t, device_t, void *); 68 69 struct ne_isapnp_softc { 70 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 71 72 /* ISA-specific goo. */ 73 void *sc_ih; /* interrupt cookie */ 74 }; 75 76 CFATTACH_DECL_NEW(ne_isapnp, sizeof(struct ne_isapnp_softc), 77 ne_isapnp_match, ne_isapnp_attach, NULL, NULL); 78 79 static int 80 ne_isapnp_match(device_t parent, cfdata_t match, void *aux) 81 { 82 int pri, variant; 83 84 pri = isapnp_devmatch(aux, &isapnp_ne_devinfo, &variant); 85 if (pri && variant > 0) 86 pri = 0; 87 return (pri); 88 } 89 90 static void 91 ne_isapnp_attach(device_t parent, device_t self, void *aux) 92 { 93 struct ne_isapnp_softc * const isc = device_private(self); 94 struct ne2000_softc * const nsc = &isc->sc_ne2000; 95 struct dp8390_softc * const dsc = &nsc->sc_dp8390; 96 struct isapnp_attach_args * const ipa = aux; 97 bus_space_tag_t nict; 98 bus_space_handle_t nich; 99 bus_space_tag_t asict; 100 bus_space_handle_t asich; 101 const char *typestr; 102 int netype; 103 104 aprint_normal("\n"); 105 106 dsc->sc_dev = self; 107 108 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 109 aprint_error_dev(self, "can't configure isapnp resources\n"); 110 return; 111 } 112 113 nict = ipa->ipa_iot; 114 nich = ipa->ipa_io[0].h; 115 116 asict = nict; 117 118 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 119 NE2000_ASIC_NPORTS, &asich)) { 120 aprint_error_dev(self, "can't subregion i/o space\n"); 121 return; 122 } 123 124 dsc->sc_regt = nict; 125 dsc->sc_regh = nich; 126 127 nsc->sc_asict = asict; 128 nsc->sc_asich = asich; 129 130 /* 131 * Detect it again, so we can print some information about the 132 * interface. 133 */ 134 netype = ne2000_detect(nict, nich, asict, asich); 135 switch (netype) { 136 case NE2000_TYPE_NE1000: 137 typestr = "NE1000"; 138 break; 139 140 case NE2000_TYPE_NE2000: 141 typestr = "NE2000"; 142 break; 143 144 case NE2000_TYPE_RTL8019: 145 typestr = "NE2000 (RTL8019)"; 146 break; 147 148 default: 149 aprint_error_dev(self, "where did the card go?!\n"); 150 return; 151 } 152 153 aprint_normal_dev(self, "%s Ethernet\n", typestr); 154 155 /* This interface is always enabled. */ 156 dsc->sc_enabled = 1; 157 158 /* 159 * Do generic NE2000 attach. This will read the station address 160 * from the EEPROM. 161 */ 162 ne2000_attach(nsc, NULL); 163 164 /* Establish the interrupt handler. */ 165 isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num, 166 ipa->ipa_irq[0].type, IPL_NET, dp8390_intr, dsc); 167 if (isc->sc_ih == NULL) 168 aprint_error_dev(self, 169 "couldn't establish interrupt handler\n"); 170 } 171